diff options
Diffstat (limited to 'src/H5HFhdr.c')
| -rw-r--r-- | src/H5HFhdr.c | 116 |
1 files changed, 105 insertions, 11 deletions
diff --git a/src/H5HFhdr.c b/src/H5HFhdr.c index 7d36291..a0af4b1 100644 --- a/src/H5HFhdr.c +++ b/src/H5HFhdr.c @@ -193,25 +193,24 @@ H5HF_hdr_compute_free_space(H5HF_hdr_t *hdr, unsigned iblock_row) /*------------------------------------------------------------------------- - * Function: H5HF_hdr_finish_init + * Function: H5HF_hdr_finish_init_phase1 * - * Purpose: Finish initializing info in shared heap header + * Purpose: First phase to finish initializing info in shared heap header * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Mar 21 2006 + * koziol@hdfgroup.org + * Aug 12 2006 * *------------------------------------------------------------------------- */ herr_t -H5HF_hdr_finish_init(H5HF_hdr_t *hdr) +H5HF_hdr_finish_init_phase1(H5HF_hdr_t *hdr) { - unsigned u; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT(H5HF_hdr_finish_init) + FUNC_ENTER_NOAPI_NOINIT(H5HF_hdr_finish_init_phase1) /* * Check arguments. @@ -226,7 +225,37 @@ H5HF_hdr_finish_init(H5HF_hdr_t *hdr) /* Set the size of heap IDs */ hdr->heap_len_size = MIN(hdr->man_dtable.max_dir_blk_off_size, ((H5V_log2_gen((hsize_t)hdr->max_man_size) + 7) / 8)); - hdr->id_len = H5HF_ID_SIZE(hdr); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5HF_hdr_finish_init_phase1() */ + + +/*------------------------------------------------------------------------- + * Function: H5HF_hdr_finish_init_pahse2 + * + * Purpose: Second phase to finish initializing info in shared heap header + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * koziol@hdfgroup.org + * Aug 12 2006 + * + *------------------------------------------------------------------------- + */ +herr_t +H5HF_hdr_finish_init_phase2(H5HF_hdr_t *hdr) +{ + unsigned u; /* Local index variable */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5HF_hdr_finish_init_phase2) + + /* + * Check arguments. + */ + HDassert(hdr); /* Set the free space in direct blocks */ for(u = 0; u < hdr->man_dtable.max_root_rows; u++) { @@ -256,6 +285,44 @@ HDfprintf(stderr, "%s: row_max_dblock_free[%Zu] = %Zu\n", FUNC, u, hdr->man_dtab done: FUNC_LEAVE_NOAPI(ret_value) +} /* end H5HF_hdr_finish_init_phase2() */ + + +/*------------------------------------------------------------------------- + * Function: H5HF_hdr_finish_init + * + * Purpose: Finish initializing info in shared heap header + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * koziol@ncsa.uiuc.edu + * Mar 21 2006 + * + *------------------------------------------------------------------------- + */ +herr_t +H5HF_hdr_finish_init(H5HF_hdr_t *hdr) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5HF_hdr_finish_init) + + /* + * Check arguments. + */ + HDassert(hdr); + + /* First phase of header final initialization */ + if(H5HF_hdr_finish_init_phase1(hdr) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't finish phase #1 of header final initialization") + + /* Second phase of header final initialization */ + if(H5HF_hdr_finish_init_phase2(hdr) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, FAIL, "can't finish phase #2 of header final initialization") + +done: + FUNC_LEAVE_NOAPI(ret_value) } /* end H5HF_hdr_finish_init() */ @@ -342,9 +409,36 @@ H5HF_hdr_create(H5F_t *f, hid_t dxpl_id, const H5HF_create_t *cparam) /* Note that the shared info is dirty (it's not written to the file yet) */ hdr->dirty = TRUE; - /* Finish fractal heap header initialization */ - if(H5HF_hdr_finish_init(hdr) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, HADDR_UNDEF, "can't create ref-count wrapper for shared fractal heap header") + /* First phase of header final initialization */ + if(H5HF_hdr_finish_init_phase1(hdr) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, HADDR_UNDEF, "can't finish phase #1 of header final initialization") + + /* Set the length of IDs in the heap */ + /* (This code is not in the "finish init phase" routines because those + * routines are also called from the cache 'load' callback, and the ID + * length is already set in that case (its stored in the header on disk)) + */ + switch(cparam->id_len) { + case 0: /* Set the length of heap IDs to just enough to hold the offset & length of 'normal' objects in the heap */ + hdr->id_len = 1 + hdr->heap_off_size + hdr->heap_len_size; + break; + + case 1: /* Set the length of heap IDs to just enough to hold the file offset & length of 'huge' objects in the heap */ + hdr->id_len = 1 + hdr->sizeof_size + hdr->sizeof_addr; + break; + + default: /* Use the requested size for the heap ID */ +/* XXX: Limit heap ID length to 4096 + 1, due to # of bits required to store + * length of 'tiny' objects (12 bits) + */ +HDfprintf(stderr, "%s: Varying size of heap IDs not supported yet!\n", FUNC); +HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, HADDR_UNDEF, "varying size of heap IDs not supported yet") + break; + } /* end switch */ + + /* Second phase of header final initialization */ + if(H5HF_hdr_finish_init_phase2(hdr) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, HADDR_UNDEF, "can't finish phase #2 of header final initialization") #ifdef QAK HDfprintf(stderr, "%s: hdr->id_len = %Zu\n", FUNC, hdr->id_len); |